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4791480557 = 12149394393
BaseRepresentation
bin1000111011001100…
…00011000011101101
3110100221000102122212
410131212003003231
534303104334212
62111242020205
7226510625033
oct43546030355
913327012585
104791480557
112039736296
12b187a7665
135b48b08c6
14336502553
151d09b7e22
hex11d9830ed

4791480557 has 4 divisors (see below), whose sum is σ = 4791887100. Its totient is φ = 4791074016.

The previous prime is 4791480541. The next prime is 4791480563. The reversal of 4791480557 is 7550841974.

It is a happy number.

4791480557 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4769145481 + 22335076 = 69059^2 + 4726^2 .

It is a cyclic number.

It is not a de Polignac number, because 4791480557 - 24 = 4791480541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4791180557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185048 + ... + 209345.

It is an arithmetic number, because the mean of its divisors is an integer number (1197971775).

Almost surely, 24791480557 is an apocalyptic number.

It is an amenable number.

4791480557 is a deficient number, since it is larger than the sum of its proper divisors (406543).

4791480557 is a wasteful number, since it uses less digits than its factorization.

4791480557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406542.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The square root of 4791480557 is about 69220.5212130045. The cubic root of 4791480557 is about 1685.8667428394.

The spelling of 4791480557 in words is "four billion, seven hundred ninety-one million, four hundred eighty thousand, five hundred fifty-seven".

Divisors: 1 12149 394393 4791480557